Gran turismo omologata–it means “certified for grand touring racing” in Italian, and Ferrari doesn’t use that designation lightly. When the 599 GTB went in for the GTO treatment, they had only to look to the decidedly not-street-legal 599XX version for inspiration. The result is a lighter, more powerful 599 that carries on Ferrari’s long tradition of using racing to pioneer technology for road cars. Following the formula of the legendary 250 GTO of the 1960s, this hotter version of Ferrari’s halo car puts a 6-liter V12 out front that delivers a tarmac-blistering 670 horsepower, making the 599 GTO not only the most powerful Ferrari road car ever, but also the fastest. That’s not just the fastest to 60 miles per hour; it also means that by cutting more than 200 pounds from the GTB and optimizing every system—from the instantly adjustable magnetic suspension system to the lightweight carbon ceramic brakes—it will fly around Ferrari’s private Fiorano test track a full second quicker than the wickedly fast Enzo. With lessons learned from Ferrari’s F1 program, the 599 GTO’s optimized aerodynamics ensure that the 599 GTO can achieve a top speed of 208 miles per hour, and yet the intelligent suspension and the stability and traction control systems mean that the GTO won’t bite the hand that shifts. With only 599 examples ever produced, the flagship Ferrari is as rare as it is fast.